Weather in Des Moines, Iowa, United States in August
In an average August, Des Moines sees a daily high around 85°F and a low around 63°F, based on 1981–2026 of local climate records.
| Average high | 85°F |
|---|---|
| Typical high range | 77°F to 93°F |
| Average low | 63°F |
| Typical low range | 56°F to 71°F |
| Average daily precipitation | 0.10 in |
August records
The most extreme August on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total August accumulation.
High
Highest
108°F
1988-08-15
Lowest
66°F
1986-08-28
Low
Highest
82°F
1988-08-16
Lowest
41°F
1986-08-28
Feels-like
Highest
141°F
1983-08-18
Lowest
37°F
1986-08-28
Humidity
Highest
24.6 g/m³
2010-08-10
Lowest
6.2 g/m³
1988-08-29
Wind
Highest
26 mph
1985-08-12
Lowest
4 mph
1995-08-21
Precip
Wettest
10.12 in
1987
Driest
0.56 in
1984
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